Sunamp designs and manufactures space-saving thermal storage that makes homes, buildings and vehicles more energy-efficient and sustainable, while reducing carbon emissions and optimising renewables.

SustainUS is a nonprofit, nonpartisan organization of young people advancing sustainable development and youth empowerment in the United States. Through proactive education and advocacy at the policy-making and grassroots levels, they are building a future in which all people recognize the inherent equality and interdependence of social, economic, and environmental sustainability.

SWEP is the manufacturer of compact brazed plate heat exchangers, evaporators, condensers, sub-coolers, oil coolers, economizers, heat recovery, district heating and cooling.

Switch2 Energy Limited is the UK’s most experienced and capable provider of end-to-end solutions for heat networks. They make a success of heat networks owned by local authorities, housing associations and private developers. They also help to optimize energy efficiency, manage renewable energy, and focus on well-performing schemes, while minimizing costs to the resident.

When it comes to HVAC services, like heating and air conditioning services, we, Teressen Heating Ltd are a name. They have expert technicians who assist in giving the best advice on an on-site visit or help with a free quotation for the installation system. The company has always earned a reputation as one of the major and fastest-growing HVAC services in Canada.

TERMOTECNICA SITA SRL provides service and maintenance of HVAC equipment and systems, including Boilers, Water Heaters, Air Conditioning, etc. The company's headquarters is based in Rome, Italy.

Based out of Italy, Termotek srl provides high performance and energy efficient HVCA solutions, including Boilers, Air Conditioners, Heat Pumps, Heaters, Ventilation, etc.

The Edinburgh Boiler Company are the major installer of new gas combi boilers in not only Edinburgh, but all of Scotland. They lead the way for both Worcester Bosch and Ideal Boilers, and have also been awarded the highest boiler installation accreditation with both of these major UK boiler manufacturers.

The Heating Hub is the first impartial, consumer website for the domestic heating industry. They have developed their higher efficiency and installation standard to deliver correctly fitted boilers and controls for the customers.

The HVAC Jerks weekly podcast is what anyone wouuld want to listen to between service calls, during their commute, or any time they just want to relax, but stay involved in the industry. The Boys just like having fun, with a little business and a little technical stuff thrown in to keep them honest.

The Nixon Group are renowned Georgia-based HVAC equipment and systems service, maintenance and repair providers.

Thermsaver is a company which provides HVAC solutions in Scotland. They provide Air Source Heat Pumps, Cylinders and Buffers, Biomass General, Boiler, Ground Source, Heat Pumps, Heating Controls, MVHR.

Thomas Home Services is the renowned home service contractor serving Chandler, Arizona and the surrounding areas. They have provided the finest in quality HVAC and plumbing services since 1946, and they’ve served the entire Phoenix and East Valley area since 1994. The company offers top-quality HVAC, plumbing, and appliance services.

Since 2005, Thomas Service Company has become Huntsville, Alabama's choice for reliable, honest, and affordable home services. They provide the very best in installation, service, and repair for all your heating, cooling and plumbing needs. They are available for Plumbing, Heating, Ventilation and Air Conditioning (HVAC) needs around most of North Alabama and Southern Tennessee.

Thorndale's Heating and Cooling are specialists in the supply and installation of air source heat pumps - air conditioning for domestic and commercial applications, such as log cabins, static caravans, conservatories, outbuildings, Airbnb, small rental properties, bedrooms and garages.

TruEnergy is an Ofgem licensed energy supplier offering bespoke contracts for businesses and is the supplier of choice for utility splitting companies. TruEnergy works with entrepreneurs, property landlords, facility managers and businesses to make energy procurement simple and cost-effective.

Trust Electric Heating is an industry-renowned electrical heating company that provides innovative, affordable and sustainable heating solutions to homes and businesses across the UK. Their superior products, and the technology behind them, sets the company apart from other brands. They also offer customers free installation and a 100 days free trial on the finest electric heating system there is.

UKHeatPumps are a specialist supplier & installer of sustainable climate solutions for residential and commercial projects. UKHeatPumps provide full systems design, installation, aftercare, and expert advice on all types of renewable projects.

Uncle Mike’s Home Service is the go-to AC repair and Installation service provider in Lincroft, New Jersey, USA. They understand the importance of maintaining a comfortable and well-functioning home environment. With years of professional expertise, their team is committed to delivering top-notch HVAC solutions tailor-made to suit specific needs.

Uswitch is one of the UK's comparisons and switching services. It helps compare prices on gas and electricity, home phone, broadband, digital television, mobile phones, and personal finance products including mortgages, credit cards, current accounts, and insurance. The aim is to help customers take advantage of the best prices and services on offer from suppliers so they can get the deal that's right for them.

Founded in 2003, Utilita was created to challenge the Big 6 energy suppliers by empowering everyone with a fair and flexible service that’s good for the pocket and planet.

Since 1953, Vapco Products has created and distributed cutting-edge and naturally "green" products to the air conditioning and heating industries. Founded and still centrally-located in the St. Louis, Missouri, area, Vapco distributes products retailers and wholesalers worldwide.

Vertiv brings together hardware, software, analytics and ongoing services to ensure its customers’ vital applications run continuously, perform optimally and grow with their business needs. Vertiv solves the most important challenges facing today’s data centers, communication networks and commercial and industrial facilities with a portfolio of power, cooling and IT infrastructure solutions and services that extends from the Cloud to the Edge.

Veryable is a marketplace for on-demand labor for manufacturing and distribution, which provides businesses with higher productivity and fewer administrative burdens and workers with flexible work arrangements.

Viega LLC is a globally renowned provider of pipe fittings for plumbing, hydronic radiant heat, snow melt and marine applications. Their solutions portfolio includes Viega ProPress, Viega MegaPress, Viega PureFlow System including PEX and fittings, as well as MegaPress CuNi and SeaPress systems, ProRadiant heating and cooling systems, and in-wall flushing technology including carriers and flush plates.

The Viessmann Group is a globally renowned company that manufactures heating, cooling and climate control technology and solutions. They provide heating systems, industrial systems and refrigeration systems for commercial and industrial applications.

Virginia Air Distributors, Inc is one of the largest wholesale distributors of residential and light commercial HVAC equipment on the east coast. Headquartered in Richmond, VA, Virginia Air provides heating, cooling, air conditioning equipment and solutions, heat pumps, and furnaces.

Viva Training delivers first-class building services courses, for heating installers, new entrants, and RACHP engineers. Based in Halifax, Yorkshire, they provide a range of gas qualifications, designed for both experienced engineers who need to keep their ACS up to date and career changers looking to upskill or start something completely different.

VKK - Vaasan Kuljetuskanavat Oy is a plant supplier of heat and steam production plants operating on biofuel - one of Finland's operators. Vaasa's Kuljetuskanavat specializes in deburring of the mechanical wood processing industry and transport and handling systems for various materials in demanding industrial environments. Together, the companies form the VKK Group Oy group.

Vogue (UK) Ltd is a manufacturer of heated towel rails, designer radiators and accessories. Their product range includes valves, electric underflow heating products, envirovent fans, electric products, as well as ladder, traditional and contemporary towel rails.